Simulationofchattervibrationsforwipersystems,Simulationofmechanicalpressureinarubber-glasscontactforwipersystems,Stick-slip-aproblemwithdisplacement-typecylinders,Testsoncontaminationofwipersforlinearguidance,Theinflucnceoftherodwiperontheleakagefromahydrauliccylindergland。